| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 2 |
3.2%
|
|
| 4 | 2 |
3.2%
|
|
| 5 | 5 |
7.9%
|
|
| 6 | 8 |
12.7%
|
|
| 7 | 16 |
25.4%
|
|
| 8 | 11 |
17.5%
|
|
| 9 | 12 |
19%
|
|
| 10 | Very effective | 7 |
11.1%
|
| -99 | 8 | ||
| 11 | Don't know | 78 | |
| Sysmiss | 8 |